<HTML><HEAD><TITLE>?Element notin ?SetVariable</TITLE>
</HEAD><BODY>[ <A HREF="index.html">library(cardinal)</A> | <A HREF="../../index.html">Reference Manual</A> | <A HREF="../../fullindex.html">Alphabetic Index</A> ]
<H1>?Element notin ?SetVariable</H1>
Set non-membership constraint
<DL>
<DT><EM>SetVariable</EM></DT>
<DD>A set variable.
</DD>
<DT><EM>Element</EM></DT>
<DD>A ground term or a variable.
</DD>
</DL>
<H2>Description</H2>
Constrain SetVariable to not include Element.<P>
		notin/2 is available for compatibility with conjunto library syntax.
		It is equivalent to the preferred `-@/2. See its description for details.
<H3>Fail Conditions</H3>
Fails if Element must be a member of SetVariable.
<H3>Resatisfiable</H3>
No.
<H2>See Also</H2>
<A HREF="../../lib_public/cardinal/B-A-2.html">`-@ / 2</A>, <A HREF="../../lib_public/cardinal/BA-2.html">`@ / 2</A>, <A HREF="../../lib_public/cardinal/in-2.html">in / 2</A>, <A HREF="../../lib_public/cardinal/BNN-2.html">`:: / 2</A>
</BODY></HTML>
